32 Watt, T8 850 Phosphor High Lumen linear fluorescent bulb with Rapid Start and medium bi-pin base, 25 pack. Replaces GE F32T8/XL/SPX50/HL/ECO, Philips F32T8/ADV850/ALTO
NoteAverage life under specified test conditions with lamps turned off and restarted every three hours. Lamp life is longer if lamps are started less frequently.